Files
openzeppelin-contracts/contracts/mocks/ERC777MockUpgradeable.sol
2022-01-31 19:54:20 +00:00

76 lines
2.0 KiB
Solidity

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../utils/ContextUpgradeable.sol";
import "../token/ERC777/ERC777Upgradeable.sol";
import "../proxy/utils/Initializable.sol";
contract ERC777MockUpgradeable is Initializable, ContextUpgradeable, ERC777Upgradeable {
event BeforeTokenTransfer();
function __ERC777Mock_init(
address initialHolder,
uint256 initialBalance,
string memory name,
string memory symbol,
address[] memory defaultOperators
) internal onlyInitializing {
__ERC777_init_unchained(name, symbol, defaultOperators);
__ERC777Mock_init_unchained(initialHolder, initialBalance, name, symbol, defaultOperators);
}
function __ERC777Mock_init_unchained(
address initialHolder,
uint256 initialBalance,
string memory,
string memory,
address[] memory
) internal onlyInitializing {
_mint(initialHolder, initialBalance, "", "");
}
function mintInternal(
address to,
uint256 amount,
bytes memory userData,
bytes memory operatorData
) public {
_mint(to, amount, userData, operatorData);
}
function mintInternalExtended(
address to,
uint256 amount,
bytes memory userData,
bytes memory operatorData,
bool requireReceptionAck
) public {
_mint(to, amount, userData, operatorData, requireReceptionAck);
}
function approveInternal(
address holder,
address spender,
uint256 value
) public {
_approve(holder, spender, value);
}
function _beforeTokenTransfer(
address,
address,
address,
uint256
) internal override {
emit BeforeTokenTransfer();
}
/**
* This empty reserved space is put in place to allow future versions to add new
* variables without shifting down storage in the inheritance chain.
* See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
*/
uint256[50] private __gap;
}